Spill report for Oct. 31

The following spills were reported to the Colorado Oil and Gas Conservation Commission in the past two weeks.

Information is based on Form 19, which operators must fill out detailing the leakage/spill events. Any spill release that may impact waters of the state must be reported as soon as practical. Any spill of five barrels or more must be reported within 24 hours, and any spill of one barrel or more, which occurs outside secondary containment, such as metal or earthen berms, must also be reported within 24 hours, according to COGCC rules. Spills and leaks are typically found during routine maintenance on existing wells, though some actual "spills" do occur among the 22,000-plus wells in the country.

KERR MCGEE GATHERING LLC, reported Oct. 17 a spill in Dacono, near Summit and Colorado boulevards. Between one and five barrels of condensate spilled.

NOBLE ENERGY INC., reported Oct. 19 a historical release about 6 miles south of Kersey, near Weld roads 44 and 57. Less than one barrel of oil, condensate and produced water spilled.

WHITING OIL & GAS CORP., reported Oct. 19 a spill about 3 miles west of Avalo, near Weld roads 104 and 145. Between five and 100 barrels of produced water spilled.

O'BRIEN ENERGY RESOURCES CORP., reported Oct. 21 a spill about 3 miles north of Roggen, near Weld 76 and Interstate 76. Less than 100 barrels of oil spilled.

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NOBLE ENERGY INC., reported Oct. 21 a historical release about 1 mile east of Milliken, near Weld 46 and Colo. 60. Less than one barrel of oil, condensate and produced water spilled.

BONANZA CREEK ENERGY OPERATING COMPANY LLC, reported Oct. 26 a spill about 4 miles north of Roggen, near Weld 73 and Interstate 76. Between one and five barrels of oil spilled.

NOBLE ENERGY INC, reported Oct. 26 a historical release in Greeley, near 83rd Avenue and 18th Street Road. Between one and five barrels of oil spilled.

NOBLE ENERGY INC, reported Oct. 26 a historical release in Auburn, near Weld roads 45 and 52. Between one and five barrels of produced water spilled.

KERR MCGEE OIL & GAS ONSHORE LP, reported Oct. 27 a historical release in Fort Lupton, near 14th Street and Weld road 25. An unknown amount of oil, condensate and produced water spilled, but it was no more than five barrels.

NOBLE ENERGY INC, reported Oct. 28 a historical release about one mile south of Gill, near Weld roads 55 and 62.5. Between one and five barrels of oil spilled.